<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>404</title>
    <style>
        .cen{
            text-align:center;
        }
        .title{
            font-size: 40px;
        }
    </style>
</head>
<body>
    <div class="cen title">还没开发完...</div>
    <div class="cen"><img src="images/404.gif" ></div>
</body>
</html>